package houserent.view;

import houserent.domain.House;
import houserent.service.HouseService;
import houserent.utility.Utility;

/*
1.显示界面
2.接收用户收入
3.调用HouseService完成对房屋出租信息的各种操作
 */
public class HouseView {
    private final HouseService houseService = new HouseService(10);//设置数组大小为10

    //7.根据id修改房屋信息
    public void update(){
        System.out.println("=============修改房屋信息=============");
        System.out.println("请选择待修改房屋编号(-1表示退出)");
        int updateId  = Utility.readInt();
        if(updateId == -1){
            System.out.println("============你放弃修改房屋信息============");
            return;
        }
        //根据输入的updateId，查找对象
        House house = houseService.findById(updateId);
        //返回是引用类型（就是数组的那个元素）
        if(house == null){
            System.out.println("=============修改房屋编号不存在==============");
            return;
        }
        System.out.println("姓名(" + house.getName()+"):");
        String name = Utility.readString(8," ");
        //用户直接回车不修改，默认值" "
        if(!"".equals(name)){
            house.setName(name);
        }
        System.out.println("电话(" + house.getPhone() + "):");
        String phone = Utility.readString(12," ");
        if(! "".equals(phone)){
            house.setPhone(phone);
        }
        System.out.println("地址(" + house.getAddress() + "):");
        String address = Utility.readString(18," ");
        if(! "".equals(address)){
            house.setAddress(address);
        }
        System.out.println("租金(" + house.getRent() + "):");
        int rent = Utility.readInt(-1);
        if(rent != -1){
            house.setRent(rent);
        }
        System.out.println("状态(" + house.getState() + "):");
        String state = Utility.readString(3," ");
        if (!"".equals(state)){
            house.setState(state);
        }
        System.out.println("==================修改房屋信息成功==================");
    }

    //6.根据id查找房屋信息
    public void findHouse(){
        System.out.println("==============查找房屋信息==============");
        System.out.println("请输入要查找的id：");
        int findId  = Utility.readInt();
        //调用方法
        House house  = houseService.findById(findId);
        if(house != null){
            System.out.println(house);
        }else{
            System.out.println("查找的id不存在");
        }
    }

    //4.编写delHouse（）接收输入的ID，调用Service的del 方法
    public void delHouse(){
        System.out.println("====================删除房屋信息=====================");
        System.out.print("输入待删除房屋的编号(-1退出):");
        int delId = Utility.readInt();
        if(delId == -1){
            System.out.println("==============放弃删除房屋信息==============");
            return;
        }
        //注意方法本身就有循环判断的逻辑，必须输出Y/N
        char choice = Utility.readConfirmSelection();
        if(choice == 'Y'){//删除
            if(houseService.del(delId)){
                System.out.println("==============删除房屋信息成功==============");
            }else{
                System.out.println("==============删除房屋编号失败==============");
            }
        }else{
            System.out.println("==============放弃删除房屋信息==============");
        }
    }

    //3.编写addHouse()接收输入，创建House对象，调用add方法
    public void addHouse(){
        System.out.println("====================添加房屋=====================");
        System.out.print("姓名：");
        String name = Utility.readString(8);
        System.out.print("电话：");
        String phone = Utility.readString(12);
        System.out.print("地址：");
        String address = Utility.readString(16);
        System.out.print("月租: ");
        int rent = Utility.readInt();
        System.out.print("状态：");
        String state = Utility.readString(3);
        //创建一个新的House对象，注意id是系统分配的
        House newHouse = new House(0,name,phone,address,rent,state);
        if(houseService.add(newHouse)){
            System.out.println("===============添加房屋成功===============");
        }else{
            System.out.println("===============添加房屋失败===============");
        }
    }

    //2.编写listHouses（）显示房屋列表
    public void listHouse(){
        System.out.println("====================房屋列表=====================");
        System.out.println("编号\t\t房主\t\t电话\t\t地址\t\t月租\t\t状态(未出租/已出租)");
        //遍历数组
        House[] houses = houseService.list();
        for (int i = 0 ; i < houses.length ;i++) {
            if (houses[i] == null) {
                break;
            }
            System.out.println(houses[i]);
        }
        System.out.println("===============房屋列表完成显示完成================");
    }

    //5.完成退出
    public void exit(){
        char c = Utility.readConfirmSelection();
        if (c == 'Y'){
            loop = false;
        }
    }

    //1.显示主菜单
    private boolean loop = true;//用来控制显示菜单的

    public void mainMenu(){

        do {
            System.out.println("\n=================房屋出租系统菜单=================");
            System.out.println("\t\t\t1.新 增 房 源");
            System.out.println("\t\t\t2.查 找 房 屋");
            System.out.println("\t\t\t3.删 除 房 屋 信 息");
            System.out.println("\t\t\t4.修 改 房 屋 信 息");
            System.out.println("\t\t\t5.显 示 房 屋 列 表");
            System.out.println("\t\t\t6.退      出");
            System.out.print("请输入你的选择（1-6）：");
            //接收用户选择
            char key = Utility.readChar();
            switch (key){
                case '1':
                    addHouse();
                    break;
                case '2':
                    findHouse();
                    break;
                case '3':
                    delHouse();
                    break;
                case '4':
                    update();
                    break;
                case '5':
                    listHouse();
                    break;
                case '6':
                    exit();
                    break;
            }
        }while (loop);
    }
}
